Prednisone 53-03-2 1,2-Dehydrocortisone;1,4-pregnadiene-16-alpha,21-diol-3,11,20-trione;11,20-trione,17,21-dihydroxy-pregna-4-diene-3;11,20-trione,17,21-hydroxy-pregna-4-diene-3;Ancortone;Bicortone;Colisone;Cortan
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Basic Information of Prednisone Powder |
|
Product Name |
Prednisone Powder |
English Name |
Predinsone |
Specification |
99% |
Loss on drying |
≤1.0% |
CAS NO. |
53-03-2 |
Appearance |
White or almost white microcrystalline powder |
Molecular Formula |
C21H26O5 |
Molecular Weight |
358.43 |
Other Name |
1,4-Pregnadiene-17a,21-diol-3,11,20-trione 17,21-Dihydroxypregna-1,4-diene-3,11,20-trione |
Solubility |
Very slightly water soluble |
Identification |
positive IR conforms to spectra 284 |
Assay |
97.0%~102.0% |
Loss on drying |
≤1.0% |
Heavy metals |
≤20ppm |
Related substance
|
Individual impurity≤1.5% Total impurities≤2.0% |
Specific rotation |
+167°~+175° |
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